On Wed, Jun 23, 2021 at 11:54 PM Rowan Tommins <rowan.coll...@gmail.com>
wrote:
> On 23/06/2021 22:28, Christoph M. Becker wrote:
> > substr() is about bytes, not characters. They all may have upvoted the
> > wrong answer. The only correct answer has just 17 upvotes.
>
>
> Just to out-pedant you, I'll point out that what most people would think
> of as a "character" is neither a byte nor a code point, but a grapheme,
> so I would say *none* of the answers on that page is correct.
>
> $string = 'Zoë'; // "Zoe\u{0308}" not "Zo\u{00EB}"
>
> var_dump(substr($string, -1));
> var_dump(mb_substr($string, -1));
> var_dump(grapheme_substr($string, -1));
>
> string(1) "�"
> string(2) "̈"
> string(3) "ë"
>
> https://3v4l.org/IMoWQ
>
I thought about the same during the night! Just to complete: there's also
iconv_substr() (but with the same result as mb_substr()), and here are two
links to compare: https://3v4l.org/kU9D5 vs https://3v4l.org/pAvB0
Regards,
--
Guilliam Xavier
